作废 SJ 2893-1988
电子元器件详细规范 WH19型低功率电位器 评定水平 E 电子元器件详细规范 WH19型低功率电位器 评定水平 E Detail specification for electronic components--Low-power potentiometers for Type WH19 Assessment level E
发布日期:1988-03-04
实施日期:1988-08-01
分类信息
标准简介
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最后更新时间 2025-08-28